|Rank|Nation|Gold|Silver|Bronze|Total|
|---|---|---|---|---|---|
|1|Germany|17|9|14|40|
|2|Russia|12|16|8|36|
|3|Ukraine|6|11|9|26|
|4|Norway|6|2|7|15|
|5|France|5|4|3|12|
|6|Switzerland|3|5|3|11|
|7|Finland|3|2|4|9|
|8|Japan|2|2|1|5|
|9|Netherlands|2|0|1|3|
|10|Sweden|1|2|2|5|
|11|Denmark|1|0|1|2|
|12|Unified Team|1|0|0|1|
|13|Austria|0|4|0|4|
|14|Slovakia|0|2|1|3|
|15|Italy|0|0|1|1|
|15|Poland|0|0|1|1|
|15|Canada|0|0|1|1|
|15|Belarus|0|0|1|1|
|15|United States|0|0|1|1|
|Total 19 nations|Total 19 nations|59|59|59|177|

Question: what is the total number of silver medals won by russia, norway, and sweden combined?
Answer: 20